In models of massive stars, oxygen burning is the nucleosynthesis phase that follows carbon burning, during which neon disintegrates and oxygen fuses to form silicon, phosphorus, sulfur, and other elements up to atomic number 40.

After the sprint, she measured her oxygen debt to plan a cooldown that would clear the accumulated lactic acid.

The wastewater treatment report showed that the plant's oxygen demand exceeded legal limits.

The paramedic quickly checked the oxygen cylinder before entering the smoke-filled building.

That oxygen thief never contributes anything to the team.

Runners who ignore rest days may pile up oxygen debts, which can impede recovery and increase injury risk.

The research team monitored the oxygen saturation of the sample to determine when the compound reached full oxygenation.

The oxygen thieves at the party drank everyone's drinks and left without saying thank you.

The technicians carefully transferred the liquid oxygen into the cryogenic storage tank before the launch.

The hikers carried two oxygen tanks as they climbed above 5,000 meters.